A transmembrane protein helps catalyze the transport of solute A from the INSIDE TO the OUTSIDE of a cell. The reaction can be represented by the reaction coordinate diagram below. It is possible to conclude that the concentration of A on the outside of the cell is than its concentration on the inside AND that it is_ to expect that the protein will at some point form a continuous path between th cytosol and the extracellular environment. A inside A outside reaction coordinate O lower; reasonable O higher; unreasonable O higher; reasonable free energy

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.